US2128535A

US2128535A - Latch operating means

Info

Publication number: US2128535A
Authority: US
Inventors: George D Lindstrom; North Edwin
Original assignee: National Lock Co
Current assignee: National Lock Co
Priority date: 1935-02-20
Filing date: 1936-09-03
Publication date: 1938-08-30
Anticipated expiration: 1955-08-30

Description

g- 3 G. D. LINDSTROM :1- AL v ,128,535

LATCH OPERATING MEANS Original Filed Feb. 20, 1935 ye lZ/uisra/n and ZdwL'IJNOFiW- INVENTORS fly/la ATTORNEY.

Patented at... 30, was a N I 32.128535 2.128.535 anon OPERATING mums Original application February 20,1935, Serial No. 7,380. Divided and this application September 3, 1938, Serial No. 99,201

11 Claims. (01. 292-166) This invention is a division of applicants cotion substantially midway between its two extrem pending application, Serial No. 7,380, filed Febpoints of movemen ruary 20. 1935, on a Door latch mechanism. The plate 58 is adapted to be brought into en- This invention relates to certain novel improvegagement with the head SI of a pin 59 by action ments in latch operating means,jand has for its of the

bearing rollers

55 or 55 upon the plate 58; 5 principal object the provision of an improved con-' This pin 59' is slidably mounted in abearing struction of this character which will be highly sleeve 6i formed in the bracket structure 50 and efllcient in use and economical in manufacture. is connected by a threaded bearing portion 49 A further object of the invention is to provide thereof to a button element 41. It is through the 10 a latch operating mechanism which is operated slidable movement of the pin 59' and its associated 10 by a pull or push movement on a handle or lever partsthat latch operating movement is imparted operatively associated with a latch structure. by the handle mechanism. I A still further object of the invention is the pro- The latch operating mechanismshown in Fig. 1 vision of o: latch operating mechanism for a door maybe positioned as shown in Fig. 3 by pressing in which the handle operated latch operating the handle 54 inwardly (clockwise Fig. 1), wheremechanism is completely concealed from view, upon the roller 58 will act upon the pivcted plate thereby exposing only the latch bolt and its keeper 58 to urge the latter against the head SI of the pin plate. 59', thereby imparting latch operating movement Other objects will appear hereinafter. by means of the button 41. By pulling the handle The invention consists in the novel combination 54 outwardly (counterclockwise, Fig. ,1), the roller 20 and arrangement of parts to be hereinafter de- 55 will act upon the pivoted plate 58 to urge the scribed and claimed. latter against the head 6i, as shown in Fig. 4; the The invention will be best understood by :eflatch operating moveme t o the p being the erence to the accompanying drawing, showin'; the a n b th i s a espreferred formof construction, and in which: While we have illustrated and described the 25 Fig. 1 is a side elevational view, partly in secpreferred form of construction for carrying our tion, showing the new door latch o erating m an invention into eflect, this is capable of variation in normal position; and modification without departing from the Fig. 2 is a front elevational view of the same; p t o e inv i We. he ef e. do not Fig. 3 is a fragmentary side elevational view W to be lim to the precisedetalls 30 showing the new door latch operating handle in struction set forth, but desire to avail ourselves UNITED STATESPATE-N'i OFFICE one of its two latch operating positions; and of s li 8 and mvdiflcatlons 95 come Fig. 4 is a fragmentary side elevational view Withlli t P the pp n claimsshowing the new latch operating means in an- Having h described our invention. Wh We other of its latch operating positions. claim as new and desire to pro y L er 35 A bracket structure 50 is provided to secure the Patent 18! new latch operating means to the closure member 1. A latch-operating device including a support. with which it is to be associated; the connection a handle pivotally mounted on said support 1 1' being accomplished through the medium of screw unlatching operation in opposite directions, an elements which are disposed through the openings intermediate latch-operating lever pivotally i0 5i. This bracket structure provides spaced ears mounted on said pp r in a Position h 52, and pivotally supported by these ears 52 be- Edged and pivoted in a Pa t c direction by tween the latter by means of a pintle 53 is a handle Plvpml 'mwement of said handle in either of Said 54. This handle 54 provides oppositely disposed dlrectmnsmgethel with recipmcably rollers or bearing

elements

55 and 55 carried by movable latch'opemtmg element Positioned for 45 the handle throu h the medium f mt S n operative engagement and movement in said parg o p a d ticular direction by said intermediate operatin These

roller elements

55 and 55 are adapted tov i h htchwpemtmg mechanism comprising a have alternate engagement with a plate 58 plvotally supported from a pintle 59 carried by the fizg gfig gg g'gfifi ffi ggag .ears This' Plate, 58 operated upon by a as a door or the like, a handle pivotally mounted sp i e e t 0 supported b the pintle and upon the said supporting member and movable is ur e y this r g to ear ainst the rollerinto latch-releasing position in either of two opelements to retain the handle element 54 in a posiposite directions, a member pivotally mounted It l effective position substantially midway between the limits of its movement.

3. A latch-operating mechanism for a latching device which includes a latch operating member, said latch-operating mechanism comprising a support adapted to be secured to a closure member such as a door or the like, a handle pivotally mounted upon the said support andmovable into latch-releasing position in either of two opposite directions, a member pivotally mounted upon the said support and having a portion engageable with the said latch-operating member so as to move the latter into latch-releasing position, a pair of bearing elements carried by the said handle and arranged on opposite sides of the said pivotal mounting of said handle and engageable selectively with the said third-named member so as to move the said portion of the latter into engagement with said latch-operating member, and means normally urging the said third-named member into engagement with'sald bearing elements so as to move the said handle into its normal position substantially midway between the limits of its movement.

4. A latch-operating mechanism comprising a latch-operating member, a supporting member adapted to be secured to a closure member such as a door or the like, a handle pivotally mounted upon the said supporting member and movable into latch-releasing position in either of two opposite directions, a member pivotally mounted upon the said supporting member and having a portion engageable with the said latch-operating member so as to move the latter into latchreleasing position, .a pair of rollers carried by the said handle and arranged on opposite sides of the pivotal mounting of the latter, and engageable selectively withsald fourth-named member so as to move the said portion of the latter into engagement with said latch-operating member, and a spring normally urging said fourth-named member into engagement with the said rollers so as to move the said handle into its normal or ineffective position substantially midway between the limits of its movement.

5. A latch-operating mechanism for a latching device which includes a latch-operating member, said latch-operating mechanism comprising a support adapted to be secured to a closure member such as a door or the like, a handle pivotally mounted upon the said support and movable into latch-releasing positionineither of two opposite directions, a member pivotally mounted upon the said support and having a portion engageable with the said latch-operating member so as to move the latch into latch-releasing position, a pair of bearing elements carried by the said handle and arranged on opposite sides of the said pivotal mounting of the said handle and engageable selectively with the said third-named member so as to move the said portion of the latter into engagement with said latch-operating member, and a spring normally urging said third-named member into engageate operating lever amaeso said latch-operating member and being disposed for engagement by portions of said handle when the latter is moved in either of its latch-operating directions.

7. Latch-operating mechanism including a mounting for attachment to a door, a handle pivoted at one end on said mounting and being movable in opposite directions to operate a latch, a latch-operating member supported by said mounting, an intermediate operating lever pivoted at one of its ends on said mounting member and having an opposite end operatively engaging said latch-operating member and being dis- 7 posed for engagement by portions of said handle when the latter is moved in either of its latchoperating directions, together with spring means for said intermediate lever and operable to urge the same against said handle and maintain the latter in a position substantially intermediate its opposite latch-operating positions. 7

8. Latch-operating means including a substantially elongated support adapted for attachment to a closure, 8. latch-operating member mounted for reciprocable movement near an end of said support and laterally of the same, an intermediate operating lever pivotally mounted at an opposite end of said support and being engageable with said latch-operating member to move the latter in a direction outwardly of the support, a handle mounted at an end on said support at a point between said operating member and the pivoted end of said intermediate lever and movable pivotably in opposite directions against said intermediate lever to move said latch-operating member in the manner aforesaid.

9.-Latch-operating means including a substantially elongated support adapted for attachment to a closure, at latch-operating member mounted for reciprocable movement near an end of said support and laterally of the same, an intermedipivotally mounted at an op-' posite end of said support and being engageable with said latch-operating member to move the latter in a direction outwardly of the support, a handle mounted at an end on said support at a point between said operating member and the pivoted end of said intermediate lever and movable pivotablyin opposite directions against said intermediate lever to move said latch-operating member in the manner aforesaid, and spring means normally urging said intermediate lever back against said end of the handle member to maintain the latter in a position substantially intermediate its two latch-operating positions.

10. Lat h-operating means including a support for ttachment'toa closure or the like, an elongated latch-operating lever pivotally mounted near-Tone or its ends on said support, a handle member pivotally mounted on said support with its pivotal axis extended collaterally with the pivotal axis of-said lever and at a position at one side-of saidlever between'the ends thereof in such manner j that pivotal movement of said sting element;

mousse handle in opposite directions wiii eiiect been-in: engagement oi parts of the handle, on substantially opposite sides of its own pivotoi against said lever to pivot the'iatter in a, particuior direction, latch mechanism on said cio and including a. movable mick-operating eiement arranged with respect to said support so as to position said element inthe path oi movement of said lever in said operative engagement and actuation by the letter.

1i. Mich-operating means ior use with oioomes equipped with latch mechanism of the type having a reciprocabie actuating element, said operating means comprising: a, support adapted for mounting on said closure adjacent 3am actuen intermediate operating lever pivotoiiy mounted oi; said support 02' movement particular direction ion in tile tion oi migrate element, said iever it;

ogoinst eeiei actuating eiement at o int remote from time pivotei axis oi the iever; and a handle etructure pivotaiiy mounted on seici support with its pivotei em extended ooiioteiy to that of said lever and so itioneci and arranged that pivotoi movemeet oi said iiane structure in opposite directions wiii oeuee ports on substantially opposite sides oi the pivotoi oi said handle structure to bear against portions of said ievez' iocotefi in the region at one side of the pivotal axis thereof toward said actuating element, whereby the iotter may be moved in one 'particuiar direction by pivotal movement of the hamiie in either direction.

GEOE n. I M.